.box{ 
    	display: inline-block;
    	font-size: 20px;
    	margin: 10px;
    	background: linear-gradient(left, #f71605, #e0f513); 
        background: -webkit-linear-gradient(left, #f71605, #e0f513);
        background: -o-linear-gradient(right, #f71605, #e0f513);
		-webkit-background-clip: text;
		-webkit-text-fill-color: transparent;
		animation:scratchy 0.253s linear forwards infinite;
		/* 其它浏览器兼容性前缀 */
	    -webkit-animation:scratchy 0.253s linear forwards infinite;
	    -moz-animation: scratchy 0.253s linear forwards infinite;
	    -ms-animation: scratchy 0.253s linear forwards infinite;
	    -o-animation: scratchy 0.253s linear forwards infinite;
    }  
   @keyframes  scratchy {
		0% {
			background-position: 0 0;
		}
		25% {
			background-position: 0 0;
		}
		26% {
			background-position: 20px -20px;
		}
		50% {
			background-position: 20px -20px;
		}
		51% {
			background-position: 40px -40px;
		}
		75% {
			background-position: 40px -40px;
		}
		76% {
			background-position: 60px -60px;
		}
		99% {
			background-position: 60px -60px;
		}
		100% {
			background-position: 0 0;
		}
	}
	/* 添加兼容性前缀 */
	@-webkit-keyframes scratchy {
	    0% {
			background-position: 0 0;
		}
		25% {
			background-position: 0 0;
		}
		26% {
			background-position: 20px -20px;
		}
		50% {
			background-position: 20px -20px;
		}
		51% {
			background-position: 40px -40px;
		}
		75% {
			background-position: 40px -40px;
		}
		76% {
			background-position: 60px -60px;
		}
		99% {
			background-position: 60px -60px;
		}
		100% {
			background-position: 0 0;
		}
	}
	@-moz-keyframes scratchy {
	    0% {
			background-position: 0 0;
		}
		25% {
			background-position: 0 0;
		}
		26% {
			background-position: 20px -20px;
		}
		50% {
			background-position: 20px -20px;
		}
		51% {
			background-position: 40px -40px;
		}
		75% {
			background-position: 40px -40px;
		}
		76% {
			background-position: 60px -60px;
		}
		99% {
			background-position: 60px -60px;
		}
		100% {
			background-position: 0 0;
		}
	}
/*	@-ms-keyframes scratchy {
	   0% {
			background-position: 0 0;
		}
		25% {
			background-position: 0 0;
		}
		26% {
			background-position: 20px -20px;
		}
		50% {
			background-position: 20px -20px;
		}
		51% {
			background-position: 40px -40px;
		}
		75% {
			background-position: 40px -40px;
		}
		76% {
			background-position: 60px -60px;
		}
		99% {
			background-position: 60px -60px;
		}
		100% {
			background-position: 0 0;
		}
	}*/
	@-o-keyframes scratchy {
	   0% {
			background-position: 0 0;
		}
		25% {
			background-position: 0 0;
		}
		26% {
			background-position: 20px -20px;
		}
		50% {
			background-position: 20px -20px;
		}
		51% {
			background-position: 40px -40px;
		}
		75% {
			background-position: 40px -40px;
		}
		76% {
			background-position: 60px -60px;
		}
		99% {
			background-position: 60px -60px;
		}
		100% {
			background-position: 0 0;
		}
	}